योगवासिष्ठः yogavāsiṣṭhaḥ - book-6, chapter-74, verse-18

पुनःपुनः पर्युषितं कर्म कुर्वन्न लज्जते ।
मूढ्बुद्धिरबुद्धिस्तु कः कुर्यात्किल बालवत् ॥ १८ ॥

punaḥpunaḥ paryuṣitaṃ karma kurvanna lajjate ,
mūḍhbuddhirabuddhistu kaḥ kuryātkila bālavat 18

18. punaḥ punaḥ paryuṣitam karma kurvan na lajjate
mūḍhabuddhiḥ abuddhiḥ tu kaḥ kuryāt kila bālavat

18. yaḥ punaḥ punaḥ paryuṣitam karma kurvan na lajjate,
tu kaḥ mūḍhabuddhiḥ abuddhiḥ kila bālavat kuryāt?

18. One who repeatedly performs worn-out or ineffective actions (karma) is not ashamed. But who, with a foolish mind (mūḍhabuddhi) and lack of intelligence, would truly act like a child?

Words meanings summery:

• पुनः (punaḥ) - again, repeatedly, moreover

• पुनः (punaḥ) - again, repeatedly, moreover

• पर्युषितम् (paryuṣitam) - stale, left over, decayed, worn out

• कर्म (karma) - action, deed, ritual, fate

• कुर्वन् (kurvan) - doing, performing

• न (na) - not, no

• लज्जते (lajjate) - is ashamed, blushes

• मूढबुद्धिः (mūḍhabuddhiḥ) - foolish-minded, dull-witted

• अबुद्धिः (abuddhiḥ) - unintelligent, lacking understanding

• तु (tu) - but, on the other hand, indeed

• कः (kaḥ) - who?

• कुर्यात् (kuryāt) - would do, should do, may do

• किल (kila) - indeed, verily, it is said

• बालवत् (bālavat) - like a child, childishly

Words meanings and morphology

पुनः (punaḥ) - again, repeatedly, moreover

(indeclinable)

Note: Emphasizes repetition when used twice.

पुनः (punaḥ) - again, repeatedly, moreover

(indeclinable)

Note: Forms the emphatic 'again and again' with the preceding 'punaḥ'.

पर्युषितम् (paryuṣitam) - stale, left over, decayed, worn out

(adjective)

Accusative, neuter, singular of paryuṣita

paryuṣita - stale, left over, decayed, worn out, old

Past Passive Participle

From pari-√vas (to stay, reside, become old)

Prefix: pari

Root: vas (class 1)

Note: Qualifies `karma`.

कर्म (karma) - action, deed, ritual, fate

(noun)

Accusative, neuter, singular of karma

karma - action, deed, work, ritual, fate

From √kṛ (to do, make)

Root: kṛ (class 8)

Note: Object of `kurvan`.

कुर्वन् (kurvan) - doing, performing

(adjective)

Nominative, masculine, singular of kurvat

kurvat - doing, making, performing

Present Active Participle

From √kṛ (to do, make)

Root: kṛ (class 8)

Note: Refers to the implicit subject of `lajjate`.

न (na) - not, no

(indeclinable)

Note: Particle of negation.

लज्जते (lajjate) - is ashamed, blushes

(verb)

3rd person , singular, middle, present (laṭ) of lajj

Root: lajj (class 1)

मूढबुद्धिः (mūḍhabuddhiḥ) - foolish-minded, dull-witted

(adjective)

Nominative, masculine, singular of mūḍhabuddhi

mūḍhabuddhi - foolish-minded, dull-witted

Compound type : Bahuvrīhi (mūḍha+buddhi)

• mūḍha – confused, foolish, bewildered
  adjective
  Past Passive Participle
  From √muh (to be bewildered, confused)
  Root: muh (class 4)
• buddhi – intellect, understanding, mind, intelligence
  noun (feminine)
  Root: budh (class 1)

Note: Qualifies `kaḥ`.

अबुद्धिः (abuddhiḥ) - unintelligent, lacking understanding

(adjective)

Nominative, masculine, singular of abuddhi

abuddhi - lack of intelligence, unintelligent, unwise

Compound type : Nañ-tatpuruṣa (a+buddhi)

• a – not, non-, un-
  indeclinable
• buddhi – intellect, understanding, mind, intelligence
  noun (feminine)
  Root: budh (class 1)

Note: Qualifies `kaḥ`.

तु (tu) - but, on the other hand, indeed

(indeclinable)

Note: Conjunction, expressing contrast.

कः (kaḥ) - who?

(pronoun)

Nominative, masculine, singular of kim

kim - who, what, which

Note: Subject of `kuryāt`.

कुर्यात् (kuryāt) - would do, should do, may do

(verb)

3rd person , singular, active, optative (vidhiliṅ) of kṛ

Root: kṛ (class 8)

Note: Expresses possibility or potential.

किल (kila) - indeed, verily, it is said

(indeclinable)

Note: Emphasizes the statement.

बालवत् (bālavat) - like a child, childishly

(indeclinable)

From bāla (child) + -vat (like)

Note: Particle expressing similarity.